Asia extends from the Pacific Ocean in the east to Africa and Europe in the west.
介词是from和to,介词宾语分别是the Pacific Ocean和Africa and Europe
Animals live in all parts of the world.Animals walk on the land,fly in the air,and swim in the water.
介词是in,on,in和in,介词宾语分别是all parts of the world,the land,the air和the water